Pole sheet laser cutting machine

ABSTRACT

Disclosed is a pole sheet laser cutting machine. It comprises a base frame component, a laser cutting device, a cutting manipulator component for driving the laser cutting device, a control system, and at least one sheet feeding assembly; the sheet feeding assembly comprises a material grabbing manipulator component, a fixed length feeding component and a material releasing component, with both the cutting manipulator component and the material grabbing manipulator component being mounted on the base frame component, the fixed length feeding component being arranged between the material grabbing manipulator component and the material releasing component, and the control system being connected to the cutting manipulator component, the material grabbing manipulator component and the fixed length feeding component. The present invention achieves the sheet making process for lithium ion batteries or super capacitors by applying laser technology, which is able to overcome the problems that existed in the prior art through applying a traditional cutting process so that the pole sheets were easily deformed and the burrs were relatively large, etc., and at the same time, the quality of the sheet making process and hence the rate of acceptable products are improved through the control of the control system.

RELATED APPLICATIONS

This application claims the benefit of PCT application Serial NumberPCT/CN2011/081514, filed on Oct. 28, 2011, which claimed the benefit ofCN application Serial Number 201110040779.6, filed on Feb. 18, 2011,each of which is hereby incorporated herein by reference in therespective entirety of each.

FIELD OF THE INVENTION

The present application relates to the field of batteries, and inparticular, to a pole sheet laser cutting machine.

RELATED ART

During production of lithium-ion batteries and super capacitors, themanufacturing process of the pole sheet is very critical, and during thecurrent manufacturing of the pole sheet, devices such as die cuttingmachines, gold die cutting machines, and rotary cutting machines aregenerally used to achieve pole sheet cutting; however, the pole sheet ismade of smaller-thickness aluminum foils and copper foils, which easilywrinkles or deforms the pole sheet during manufacturing of the polesheet through the cutting devices, thereby resulting in that flatness ofthe cut pole sheet does not meet the requirements and the pole sheet isscrapped. Moreover, both of two sides of the pole sheet have a coatinglayer, and the pole sheet has larger burrs and is easily powdered outafter the manufacturing through the cutting devices, resulting in thatthe manufacturing process has a low qualification rate and many wasteproducts, and causing the problems of low manufacturing efficiency andwaste of materials, which seriously affects the large-scale productionof the lithium-ion batteries and super capacitors.

Therefore, it is urgent to improve the existing pole sheet manufacturingdevice.

SUMMARY OF THE INVENTION Technical Problem

A main technical problem to be solved by the present application is toprovide a pole sheet laser cutting machine that avoids the pole sheetfrom being wrinkled or deformed in the manufacturing process andimproves the process quality.

Technical Solution

To solve the above technical problem, the present application provides apole sheet laser cutting machine, including a pedestal component, alaser cutter, a cutting manipulator component for driving the lasercutter, a control system, and at least one sheet feeding assembly; thesheet feeding assembly includes a gripping manipulator component, afixed-length feeding component and a discharging component, the cuttingmanipulator component and the gripping manipulator component areinstalled on the pedestal component, the fixed-length feeding componentis disposed between the gripping manipulator component and thedischarging component, the control system is connected with the cuttingmanipulator component, the gripping manipulator component and thefixed-length feeding component.

Further, the gripping manipulator component includes a push rod and afront gripping mechanism for gripping the front portion of the polesheet, the fixed-length feeding component includes a middle grippingmechanism for gripping the middle portion of the pole sheet and afeeding mechanism for driving the middle gripping mechanism to move backand forth, the front gripping mechanism is installed at a front end ofthe push rod, and the middle gripping mechanism is installed at a backend of the push rod.

A negative pressure source is further included, where the grippingmanipulator component further includes a suction mechanism, the suctionmechanism including a suction head and an adsorption board with suctionholes, the suction head being disposed below the adsorption board andconnecting the negative pressure source; the front gripping mechanismincludes two groups of collets respectively disposed at two sides of theadsorption board, and a control cylinder driving the collets.

Preferably, the feeding mechanism includes servo drive means andposition detecting means; where the servo drive means includes a servomotor driving the middle gripping mechanism to move back and forth and afixed-length feeding base plate, the middle gripping mechanism islocated above the fixed-length feeding base plate, the positiondetecting means includes multiple photoelectric sensors disposed on thetop of the fixed-length feeding base plate, and a sensor chip disposedat the bottom of the middle gripping mechanism; the photoelectricsensors and the servo drive means are connected with the control system.

Preferably, the fixed-length feeding component further includes afixed-length feeding rectification mechanism, the fixed-length feedingrectification mechanism being installed at a back end of the push rodand following up the middle gripping mechanism.

Preferably, the discharging component further includes a dischargingrectification mechanism.

Preferably, the sheet feeding assembly further includes a reclaimingmanipulator component and a feeding box component, where the reclaimingmanipulator component has a suction side, the reclaiming manipulatorcomponent and the feeding box component are installed on the pedestalcomponent, and the reclaiming manipulator component is connected withthe control system.

The feeding box component includes a box, a movable board for supportingthe cut pole sheet, an ejection part for driving the movable board, anda full material sensor, where the movable board is located at the bottomof the box, the full material sensor is disposed at a mouth portion ofthe box, and the ejection part and the full material sensor areconnected with the control system.

Further, the suction side is further provided with a distributioncylinder.

In an embodiment, two sheet feeding assemblies exist, where the twosheet feeding assemblies are correspondingly disposed at two sides ofthe pedestal component to form a double-station pole sheet laser cuttingmachine.

Beneficial Effect

The present application has the following beneficial effects: thepresent application uses laser technologies to achieve the manufacturingprocess of lithium-ion batteries or super capacitors, makes full use ofthe excellent characteristics of the laser such as the laser has goodmonochromaticity and a small divergence angle, and is capable of beingfocused into a high-power spot at the focal point of the lens, and usesa dedicated laser head and control software as well as a fully automaticmanipulator to cut the pole sheet, which could overcome the problems inthe prior art that the pole sheet is easily deformed and has largerburrs due to the traditional cutting craft, improves the quality of themanufacturing process, and ensures the product quality of thelithium-ion batteries and super capacitors. With the action of thecontrol system, the dimension error of the pole sheet is reduced, andthe pole sheet has characteristics of high accuracy, fast speed, smallburrs and being less powered out, thereby improving the yield.

Further, the present application uses the control system to achievefully automatic control over the discharging, sheet feeding, cutting andreclaiming and rectification during the discharging and sheet feeding,which not only increases the manufacturing efficiency but also improvesthe machining precision and reduces the rejection rate.

The present application further provides a double-station laser cuttingmachine, so that the laser cutter cuts a double-station pole sheet byturns, which significantly increases the manufacturing efficiency.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a perspective view of a pole sheet laser cutting machineaccording to an embodiment of the present application;

FIG. 2 is a front view of the pole sheet laser cutting machine in FIG.1;

FIG. 3 is a top view of the pole sheet laser cutting machine in FIG. 1;FIG. 4 is a flow chart of cutting of the pole sheet laser cuttingmachine in FIG. 1; and

FIG. 5 is a control schematic view of the pole sheet laser cuttingmachine in FIG. 1.

DETAILED DESCRIPTION OF THE EMBODIMENTS

The present application is further described below in detail withreference to specific embodiments and accompanying drawings.

Referring to FIG. 1 to FIG. 3, the pole sheet laser cutting machine inthis embodiment includes a pedestal component 1, a laser cutter 8, acutting manipulator component 3 for driving the laser cutter 8 to moveso as to cut a pole sheet 13, a control system, and at least one sheetfeeding assembly. The sheet feeding assembly is used to move the polesheet 13 to be cut to a cutting platform 7 above the pedestal component1 so as to be cut into certain sizes and shapes. According to specificrequirements, a single-station laser cutter includes one sheet feedingassembly, a double-station laser cutting machine or a multi-stationlaser cutting machine may include two or more sheet feeding assemblies,and each station may achieve single-width cutting or double-widthcutting. The sheet feeding assembly specifically includes a grippingmanipulator component 6, a fixed-length feeding component 2 and adischarging component 12, the cutting manipulator component 3 and thegripping manipulator component 6 are installed on the pedestal component1, the fixed-length feeding component 2 is disposed between the grippingmanipulator component 6 and the discharging component 12. Thedischarging component 12 includes a discharging roller, which firstfixes a coil onto an inflatable shaft of the discharging roller duringdischarging, and during the fully automatic pole sheet cutting, the polesheet 13, under the action of the servo motor, is transported to thefixed-length feeding component 2 through multiple guide rollers and atension caching mechanism; the gripping manipulator component 6 gripsthe head of the pole sheet 13, and the fixed-length feeding component 2grips the middle portion of the pole sheet and uses the servo drivingmeans for stroke control, so as to ensure that the pole sheet 13 havinga certain length is moved to the cutting platform 7 each time. Thecontrol system is connected with the cutting manipulator component 3,the gripping manipulator component 6, the fixed-length feeding component2, the discharging component 12 and other components, forcorrespondingly controlling respective components according to theprocess.

The present application uses laser technologies to achieve themanufacturing process of lithium-ion batteries or super capacitors,makes full use of the excellent characteristics of the laser such as thelaser has good monochromaticity and a small divergence angle, and iscapable of being focused into a high-power spot at the focal point ofthe lens, and uses a dedicated laser head and control software as wellas a fully automatic manipulator to cut the pole sheet 13, which couldovercome the problems in the prior art that the pole sheet 13 is easilydeformed and has larger burrs due to the traditional cutting craft,thereby improving uniformity of electrical cores made by the pole sheet13, and ensuring the product quality of the lithium-ion batteries andsuper capacitors. With the action of the control system, thefixed-length feeding component 2 and the gripping manipulator component6 are coordinated to transport the pole sheet having a certain length tothe cutting platform 7 each time, so that the dimension error of thepole sheet is reduced, and the pole sheet has characteristics of highaccuracy, fast speed, small burrs and being powered out less, therebyimproving the yield.

In this embodiment, the gripping manipulator component 6 includes a pushrod 61 and a front gripping mechanism for gripping a front portion ofthe pole sheet 13, the fixed-length feeding component 2 includes amiddle gripping mechanism for gripping a middle portion of the polesheet 13 and a feeding mechanism for driving the middle grippingmechanism to move back and forth. The front gripping mechanism isinstalled at a front end of the push rod 61, and the middle grippingmechanism is installed at a back end of the push rod 61. During thesheet feeding, the feeding mechanism drives the middle grippingmechanism to move forward a certain distance, so that the push rod 61drives the front gripping mechanism to move forward a certain distanceto complete one-time feeding; upon completion of the feeding, thecutting manipulator component 3 drives the laser cutter 8 to cut pathsaccording to a preset pattern, to cut the pole sheet 13 on the cuttingplatform 7, and after the cutting ends, the feeding mechanism re-drivesthe middle gripping mechanism, the push rod 61 and the front grippingmechanism to reset so as to facilitate next feeding.

To facilitate the cutting, the pole sheet laser cutting machine in thisembodiment further includes a negative pressure source for adsorbing thepole sheet 13 to avoid movement of the pole sheet 13, and the grippingmanipulator component 6 further includes a substrate and a suctionmechanism. The substrate is installed at the top of the pedestalcomponent 1, mainly used to form support for the push rod 61, the frontgripping mechanism and the suction mechanism, the suction mechanismincludes a suction head and an adsorption board fixed above thesubstrate, and the adsorption board has multiple suction holes which arecapable of adsorbing the pole sheet 13 transported by the front grippingmechanism. Multiple suction heads at the bottom of the adsorption boardprovide adsorption force for the adsorption board, and the suction headsare quick connectors which connect the negative pressure source.Preferably, the negative pressure source is a fan component 10 disposedat the bottom of the pedestal component 1, capable of adsorbing thethinner pole sheet 13 under the action of strong wind to avoid positionoffset of the pole sheet 13.

The front gripping mechanism is fixed at a front end of the push rod 61through a connection plate and a connection bracket; in an embodiment,the front gripping mechanism mainly includes a control cylinder and twogroups of collets respectively disposed at two sides of the adsorptionboard. The control cylinder includes a rising control cylinder and aback-off control cylinder, each group of collets include grippers andupper clamps and lower clamps driven by the grippers, the grippers areconnected with a pusher of the rising control cylinder, the risingcontrol cylinder is connected with a pusher of the back-off controlcylinder, and the back-off control cylinder and the substrate form ashifting pair. The rising control cylinder and the back-off controlcylinder are preferably slide cylinders working in with guide rails, therising control cylinder is connected with the back-off control cylinderthrough a fixed plate and a cylinder mount, and the back-off controlcylinder is connected with a linear sliding pair on the pedestalcomponent through a cylinder block. The grippers may be parallelopen-closed grippers, and connect the pusher of the rising controlcylinder through a gripper mounting plate. When gripping the pole sheet13, two pairs of upper clamps and lower clamps respectively grip thefront portion of the pole sheet 13 under the driving of the grippers,the grippers rise under the action of upward driving of the risingcontrol cylinder to lift the head of the pole sheet 13, after the pushrod moves forward to complete transport of the pole sheet 13, the risingcontrol cylinder drives the collets to fall and reset, the colletsloosen the head of the pole sheet 13, and finally, the back-off controlcylinder drives the rising control cylinder to retreat toward two sidesaway from the pole sheet 13.

Upon completion of cutting of the pole sheet 13, a waste dischargingmechanism may also be used to automatically discharge remaining wastes,so as to increase the manufacturing efficiency; the waste dischargingmechanism has various forms, for example, a waste tray rack with asucker, which adsorbs wastes under the driving of the cylinder and thenthrows off the wastes, or adsorbs wastes and then overturns the wastetray rack to make the wasters automatically fall.

The feeding mechanism in the fixed-length feeding component 2 includesservo drive means and position detecting means for controlling stroke ofthe servo drive means. Specifically, the servo drive means includes afixed-length feeding base plate 21, a guide rail mounting plate and aservo motor driving the middle gripping mechanism to move back andforth, where the guide rail mounting plate is fixed above thefixed-length feeding base plate 21, and its upper surface is providedwith a guide rail forming a guide rail pair with the middle grippingmechanism, to make the middle gripping mechanism locate above thefixed-length feeding base plate 21. The serve motor is fixed onto thethe fixed-length feeding base plate, for driving the middle grippingmechanism to grip the pole sheet 13 to move back and forth within acertain stroke range along the guide rail, and stroke and position ofthe specific back-and-forth movement are controlled by the controlsystem. The position detecting means is used for detecting and ensuringthat the feeding mechanism maintains fixed-length feeding in front andback directions, which includes multiple photoelectric sensors disposedon the top of the fixed-length feeding base plate, and a sensor chipdisposed at the bottom of the middle gripping mechanism, where thephotoelectric sensors could interact with the sensor chip so as todetect the movement position of the middle gripping mechanism, tofacilitate the control system to control the feeding length of the polesheet. For example, three photoelectric sensors exist, respectivelydisposed at a front end, a middle portion and a back end of thefixed-length feeding base plate 21, all installed on the fixed-lengthfeeding base plate 21 through a sensor mounting rail to facilitatemovement, the photoelectric sensors 21 at the front and back ends areused for detecting front and back limit positions of the sensor chip,the photoelectric sensor at the middle portion is used for detectingsystem zeroing, and the photoelectric sensors may input detectionresults into the control system so as to accurately control the movementstroke of the servo motor.

In order to avoid position offset of the pole sheet 13 in left and rightdirections during the feeding, the fixed-length feeding component 2further includes a fixed-length feeding rectification mechanism, thefixed-length feeding rectification mechanism being installed at a backend of the push rod 61 and following up the middle gripping mechanism.In an embodiment, the fixed-length feeding rectification mechanismincludes a feeding slide plate, a rectification supporting plate, anedge-searching opposite-type sensor, and a rectification driving devicedriving the rectification supporting plate to move left and right; thefeeding slide plate is fixed at a back end of the push rod 61, therectification supporting plate is movably installed above the feedingslide plate, the middle gripping mechanism is fixed onto therectification supporting plate, the edge-searching opposite-type sensoris disposed at a side of the feeding slide plate, and the rectificationdriving device and the edge-searching opposite-type sensor are connectedwith the control system. The edge-searching opposite-type sensorincludes a transmitter and a receiver located above and below the polesheet, capable of detecting edges of the pole sheet 13 and outputtingsignals to the control system, so that the control system could controlthe rectification driving device to accurately control the position ofthe rectification supporting plate. The rectification driving device maybe a servo motor which is fixed on the feeding slide plate and can drivethe rectification supporting plate to slide left and right through acoupling and a ball screw pair so as to achieve left and rightrectification of the pole sheet 13.

The middle gripping mechanism is wholly installed on the rectificationsupporting plate, and can use an upper rubberized plate and a lowerrubberized plate to clamp the middle portion of the pole sheet under thedriving of a gripping cylinder; preferably, a silica gel is affixed tosurfaces of the two rubberized plates to ensure that the pole sheet isnot damaged when being gripped.

Preferably, in order to avoid position offset of the pole sheet 13 inleft and right directions during the feeding, the discharging component12 may further include a discharging rectification mechanism, and thedischarging rectification mechanism has a structure similar to that ofthe fixed-length feeding rectification mechanism, which mainly detectsedges of the pole sheet 13 through the edge-searching opposite-typesensor and ensure feeding precision through the rectification drivingdevice under the action of the control system, to achieve firstautomatic rectification before the sheet feeding.

Further, the sheet feeding assembly in this embodiment also achievesautomatic feeding upon completion of cutting of the pole sheet 13, andspecifically, the sheet feeding assembly further includes a reclaimingmanipulator component 4 and a feeding box component 11, where thereclaiming manipulator component 4 has a suction side 5, the suctionside 5 provides adsorption force through the negative pressure sourceand can adsorb the pole sheet whose cutting is completed under thedriving of the reclaiming manipulator component 4 and moves the polesheet to the feeding box component 11, if it is a double-width cutting,a distribution cylinder of the suction side 5 may be used to distributethe pole sheet 13 and then place the pole sheet into the feeding boxcomponent 11. The reclaiming manipulator component 4 and the feeding boxcomponent 11 are installed on the pedestal component 1, and thereclaiming manipulator component 4 is connected with the control systemto accept its control. Preferably, the feeding box component includes abox, a movable board for supporting the cut pole sheet 13, an ejectionpart for driving the movable board to move up and down, and a fullmaterial sensor, where the movable board is located at the bottom of thebox, the full material sensor may be a photoelectric sensor and isdisposed at a mouth portion of the box, and the ejection part and thefull material sensor are connected with the control system. The ejectionpart may be a lifting motor connected with the control system, and eachtime the suction side places one sheet of the cut pole sheet 13 into thebox, the lifting motor drives the movable board to drop a constantheight, so that the feeding box component 11 of the pole sheet couldautomatically load. After detecting that the feeding box component 11 isfull, the full material sensor immediately outputs a signal to thecontrol system, to prompt the operator to change the feeding boxcomponent 11.

As shown in FIG. 1, the pole sheet laser cutting machine in thisembodiment has two sheet feeding assemblies, where the two sheet feedingassemblies are correspondingly disposed at two sides of the pedestalcomponent 1 to form a double-station pole sheet laser cutting machinehaving a left station and a right station, a left/right dischargingcomponent feeds materials to a double-station cutting platform from twoends through a left/right fixed-length feeding component, and the lasercutter 8 may, under the control of the control system, performhigh-speed cutting on the pole sheet 13 gripped by a left/right grippingmanipulator component 6, so that the utilization rate of the lasercutter 8 is doubled, thereby further increasing the manufacturingefficiency on the basis of achieving the fully automatic laser cutting.

As shown in FIG. 4, the cutting flow of the double-station pole sheetlaser cutting machine is as follows.

Step 1: a left/right discharging component transports the pole sheetprovided by the coil, and uses the discharging rectification mechanismto perform left and right rectification;

Step 2: the fixed-length feeding component grips the middle portion ofthe pole sheet to send a fixed-length, left and right rectification isperformed by using the fixed-length feeding rectification mechanism, andmeanwhile, a left/right gripping manipulator component uses a collet togrip the head of the pole sheet for feeding;

Step 3: start the fan component to provide a vacuum source, and fix apole sheet to be cut onto the adsorption board;

Step 4: the cutting manipulator component drives the laser cutter tomove, and prepares to dynamically cut the pole sheet;

Step 5: the laser cutter uses control software to cut the pole sheet byturns on left and right stations;

Step 6: upon completion of double-station cutting, a left/rightreclaiming manipulator component drives a left/right suction side tobegin left-and-right-station reclaiming by turns;

Step 7: the left/right suction side adsorbs the pole sheet whose cuttingis completed to a corresponding left/right feeding box component, and inthe process, the ejection part drives the movable board at the bottom ofthe box to drop a certain height so as to accommodate more pole sheets;and

Step 8: when detecting that the left/right feeding box component is fullof pole sheets, the full material sensor sends information to thecontrol system to prompt the operator.

As shown in FIG. 5, the control system of the double-station pole sheetlaser cutting machine according to an embodiment of the presentapplication generally is a single chip microcomputer or a PLC(programmable logic controller) or other devices, which may interactwith the operator through a touch screen, a keyboard, a PLC controller,or an industrial personal computer. The control system is preset with aprogram for controlling the manufacturing process, and during thedischarging, the control system can use an edge-searching opposite-typesensor to detect the edges of the pole sheet, so as to perform firstleft and right rectification on the pole sheet in the left/rightdischarging component through the discharging rectification mechanism;during the feeding, the control system drives the fixed-length feedingcomponent through servo driving means to transport the pole sheet to thedouble-station cutting platform, and uses the edge-searchingopposite-type sensor to re-detect the edges of the pole sheet, so as toperform second left and right rectification on the pole sheet throughthe fixed-length feeding rectification mechanism; during the cutting,the left/right reclaiming manipulator component uses the adsorptionboard connecting the fan component to fix the pole sheet, the controlsystem uses a servo driver to control the cutting manipulator component,to make it drive a laser controller to move on the double-stationcutting platform, and the control system further provides cuttingelectronic documents to the laser controller, so as to make the laserhead to cut the pole sheet according to a preset cutting path; uponcompletion of the cutting, the left/right reclaiming manipulatorcomponent uses the left/right suction side to adsorb the cut pole sheetto the corresponding left/right feeding box component.

The above are further detailed descriptions about the presentapplication in combination with specific embodiments, but it cannot beconcluded that specific implementation of the present application ismerely limited to such descriptions. Persons of ordinary skill in theart also can made simple deductions or replacements without departingfrom the concept of the present application, which should be regarded asfalling within the protection scope of the present application.

What is claimed is:
 1. A pole sheet laser cutting machine, characterizedby comprising a pedestal component, a laser cutter, a cuttingmanipulator component for driving the laser cutter, a control system,and at least one sheet feeding assembly; wherein the sheet feedingassembly comprises a gripping manipulator component, a fixed-lengthfeeding component and a discharging component, the cutting manipulatorcomponent and the gripping manipulator component are installed on thepedestal component, the fixed-length feeding component is disposedbetween the gripping manipulator component and the dischargingcomponent, the control system is connected with the cutting manipulatorcomponent, the gripping manipulator component and the fixed-lengthfeeding component.
 2. The pole sheet laser cutting machine according toclaim 1, characterized in that, the gripping manipulator componentcomprises a push rod and a front gripping mechanism for gripping a frontportion of a pole sheet, the fixed-length feeding component comprises amiddle gripping mechanism for gripping a middle portion of the polesheet and a feeding mechanism for driving the middle gripping mechanismto move back and forth, the front gripping mechanism is installed at afront end of the push rod, and the middle gripping mechanism isinstalled at a back end of the push rod.
 3. The pole sheet laser cuttingmachine according to claim 2, characterized by further comprising anegative pressure source, wherein the gripping manipulator componentfurther comprises a suction mechanism, the suction mechanism comprisinga suction head and an adsorption board with suction holes, the suctionhead being disposed below the adsorption board and connecting thenegative pressure source; the front gripping mechanism comprises twogroups of collets respectively disposed at two sides of the adsorptionboard, and a control cylinder driving the collets.
 4. The pole sheetlaser cutting machine according to claim 3, characterized in that, thefeeding mechanism comprises servo drive means and position detectingmeans; wherein the servo drive means comprises a servo motor driving themiddle gripping mechanism to move back and forth and a fixed-lengthfeeding base plate, the middle gripping mechanism is located above thefixed-length feeding base plate, the position detecting means comprisesmultiple photoelectric sensors disposed on the top of the fixed-lengthfeeding base plate, and a sensor chip disposed at the bottom of themiddle gripping mechanism; the photoelectric sensors and the servo drivemeans are connected with the control system.
 5. The pole sheet lasercutting machine according to claim 2, characterized in that, thefixed-length feeding component further comprises a fixed-length feedingrectification mechanism, the fixed-length feeding rectificationmechanism being installed at a back end of the push rod and following upthe middle gripping mechanism.
 6. The pole sheet laser cutting machineaccording to claim 1, characterized in that, the discharging componentfurther comprises a discharging rectification mechanism.
 7. The polesheet laser cutting machine according to claim 1, characterized in that,the sheet feeding assembly further comprises a reclaiming manipulatorcomponent and a feeding box component, wherein the reclaimingmanipulator component has a suction side, the reclaiming manipulatorcomponent and the feeding box component are installed on the pedestalcomponent, and the reclaiming manipulator component is connected withthe control system.
 8. The pole sheet laser cutting machine according toclaim 7, characterized in that, the feeding box component comprises abox, a movable board for supporting the cut pole sheet, an ejection partfor driving the movable board, and a full material sensor, wherein themovable board is located at the bottom of the box, the full materialsensor is disposed at a mouth portion of the box, and the ejection partand the full material sensor are connected with the control system. 9.The pole sheet laser cutting machine according to claim 7, characterizedin that, the suction side is further provided with a distributioncylinder.
 10. The pole sheet laser cutting machine according to claim 1,characterized in that, two sheet feeding assemblies exist, wherein thetwo sheet feeding assemblies are correspondingly disposed at two sidesof the pedestal component to form a double-station pole sheet lasercutting machine.